Selective Laser Melting: Microstructure and Properties Optimization for Metals and Alloys, Metal Matrix Composites, Lattice and Hybrid Parts
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Additive Manufacturing".
Deadline for manuscript submissions: closed (20 February 2025) | Viewed by 3400
Special Issue Editors
Interests: alloys; friction–stir welding; manufacturing engineering; microstructure; materials engineering; mechanical engineering; mechanical properties; heat treatment; materials; mechanical behavior of materials; welding; tensile test; severe plastic deformation
Special Issues, Collections and Topics in MDPI journals
Interests: microstructure; mechanical behavior of metal materials; material characterization; mechanical testing; metal materials; alloy; coatings; welding; manufacturing process mechanics; heat treatment; corrosion; fractographic analysis
Special Issues, Collections and Topics in MDPI journals
Interests: fatigue; fracture mechanics; thermoelastic stress analysis; experimental techniques; thermography; thermal methods for fatigue and fracture mechanics characterization
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Selective laser melting (SLM) is an interesting technology for the manufacture of high-performance metal components. A broad range of metallic alloys have been processed by SLM, such as aluminum alloys, titanium alloys, iron–steel alloys, nickel alloys, cobalt alloys, copper alloys, and their combinations or composites. Over the last decade, SLM has been significantly improved in terms of the technological capability and quality of the parts. Some SLM components have already been applied in many fields, such as in the aerospace, biomedical, and automotive industries.
To date, the state of the art shows some issues related to SLM parts. The most critical issue in SLM technology regards the relationship between the processing and microstructure of the SLM components that is underdeveloped, leading to loss of repeatability unlike the traditional manufacturing techniques.
Moreover, low plasticity and reduced fatigue performance mainly related to microstructural features, high residual stress, surface roughness, lack of fusion, high porosity, shrinkage, and distortion are reported in the state of the art. Several attempts have been proposed to improve the quality of the parts, but the challenge is still open because, according to the recent literature, it remains unclear how most of these defects and microstructural features relate to the many variables of SLM.
The focus of this Special Issue is on exploring the possibility of tuning process parameters and post-processing techniques and heat treatments for the optimization of microstructure features, defects, and properties of metals and alloys.
We welcome all original research articles and reviews regarding:
- SLM of metallic alloys (for aerospace, automotive, and biomedical applications);
- SLM metal-matrix composites;
- SLM hybrid metal components;
- SLM lattice structure.
We look forward to receiving your contributions.
Prof. Dr. Paola Leo
Dr. Gilda Renna
Dr. Rosa De Finis
Guest Editors
Manuscript Submission Information
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Keywords
- selective laser melting
- processing parameters
- post processing
- heat treatments
- microstructure evolution
- porosity
- residual stresses
- roughness
- fatigue properties
- mechanical properties
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